<template>
  <el-container class="home-container">
    <el-header>
      <div>
        <img src="../assets/heima.png" alt="" />
        <span>电商后台管理系统</span>
      </div>
      <el-button type="info" @click="logout">退出</el-button></el-header
    >
    <el-container>
      <el-aside width="isCollapse ? '64px':'200px'"
        ><div class="toggle-button" @click="toggle()">|||</div>
        <el-menu background-color="#313743" text-color="#fff" active-text-color="#409EFF" :unique-opened="true" :collapse="isCollapse" :collapse-transition="false" router :default-active="activePath">
          <!-- 一级菜单 -->
          <el-submenu :index="'/' + item.path" v-for="item in menulist" :key="item.id">
            <!-- 一级菜单的模板区域 -->
            <template slot="title">
              <!-- 图标 -->
              <i :class="iconsObj[item.id]"></i>
              <!-- 文本 -->
              <span>{{ item.authName }}</span>
            </template>
            <!-- 二级菜单 -->
            <el-menu-item :index="'/' + subItem.path" v-for="subItem in item.children" :key="subItem.id" @click="click('/' + subItem.path)">
              <template slot="title">
                <!-- 图标 -->
                <i class="el-icon-menu"></i>
                <!-- 文本 -->
                <span>{{ subItem.authName }}</span>
              </template>
            </el-menu-item>
          </el-submenu>
        </el-menu>
      </el-aside>
      <el-main>
        <router-view></router-view>
      </el-main>
    </el-container>
  </el-container>
</template>

<script>
export default {
  data() {
    return {
      menulist: [],
      iconsObj: {
        '125': 'el-icon-user',
        '103': 'el-icon-s-cooperation',
        '101': 'el-icon-s-goods',
        '102': 'el-icon-s-order',
        '145': 'el-icon-s-platform'
      },
      isCollapse: false,
      activePath: ''
    }
  },
  created() {
    this.getMenuList()
    this.activePath = window.sessionStorage.getItem('activePath')
  },
  methods: {
    click(activePath) {
      window.sessionStorage.setItem('activePath', activePath)
    },
    toggle() {
      this.isCollapse = !this.isCollapse
    },
    logout() {
      sessionStorage.removeItem('token')
      this.$router.push('/login')
    },
    async getMenuList() {
      const { data: res } = await this.$http.get('/menus')
      if (res.meta.status !== 200) return this.$message.error('res.meta.msg')
      this.menulist = res.data
    }
  }
}
</script>

<style lang="less" scoped>
.home-container {
  height: 100%;
  .el-header {
    background-color: #373d41;
    display: flex;
    justify-content: space-between;
    padding-left: 0;
    align-items: center;
    color: #fff;
    font-size: 20px;
    div {
      display: flex;
      align-items: center;
      span {
        margin-left: 15px;
      }
    }
  }
  .el-aside {
    background-color: #333744;
    .toggle-button {
      height: 25px;
      line-height: 25px;
      background-color: #4a5064;
      color: #fff;
      text-align: center;
      font-size: 24px;
      letter-spacing: 1px;
      cursor: pointer;
    }
    .el-menu {
      border-right: none;
    }
  }
  .el-main {
    background-color: #eaedf1;
  }
}
</style>
